All the improvements!

— Add currently-used instance and settings button in the search bar for Android 8.1 and lower (fixes Linerly/searxist#14)
— Images in infoboxes now retain their original aspect ratio
— Attributes in infoboxes are now displayed evenly
— Adjusted search UI for larger screens (tablets, foldables) — note that on much larger screens, it might not look right yet
— Translation updates
